diff --git a/lib/evss/disability_compensation_form/data_translation_all_claim.rb b/lib/evss/disability_compensation_form/data_translation_all_claim.rb
index 8eda0195f33..dd7b695d1a0 100644
--- a/lib/evss/disability_compensation_form/data_translation_all_claim.rb
+++ b/lib/evss/disability_compensation_form/data_translation_all_claim.rb
@@ -62,6 +62,7 @@ def translate
         output_form.update(translate_veteran)
         output_form.update(translate_treatments)
         output_form.update(translate_disabilities)
+        output_form.update(add_toxic_exposure) if Flipper.enabled?(:disability_526_toxic_exposure, @current_user)
 
         @translated_form
       end
@@ -629,6 +630,14 @@ def map_secondary(input_disability, disabilities)
         end
       end
 
+      ###
+      # Toxic Exposure
+      ###
+
+      def add_toxic_exposure
+        { 'toxicExposure' => input_form['toxicExposure'] }
+      end
+
       def application_expiration_date
         1.year.from_now.iso8601
       end
diff --git a/spec/lib/evss/disability_compensation_form/data_translation_all_claim_spec.rb b/spec/lib/evss/disability_compensation_form/data_translation_all_claim_spec.rb
index 0d000d350b5..88ac3800b51 100644
--- a/spec/lib/evss/disability_compensation_form/data_translation_all_claim_spec.rb
+++ b/spec/lib/evss/disability_compensation_form/data_translation_all_claim_spec.rb
@@ -1451,6 +1451,36 @@
     end
   end
 
+  describe '#add_toxic_exposure' do
+    let(:form_content) do
+      {
+        'form526' => {
+          'toxicExposure' => {
+            'gulfWar1990' => {
+              'iraq' => true,
+              'kuwait' => true,
+              'qatar' => true
+            }
+          }
+        }
+      }
+    end
+
+    it 'returns toxic exposure' do
+      expect(subject.send(:add_toxic_exposure)).to eq(
+        {
+          'toxicExposure' => {
+            'gulfWar1990' => {
+              'iraq' => true,
+              'kuwait' => true,
+              'qatar' => true
+            }
+          }
+        }
+      )
+    end
+  end
+
   describe '#application_expiration_date' do
     it 'returns the application creation date + 365 days' do
       expect(subject.send(:application_expiration_date)).to eq '2021-11-05T18:19:50Z'
diff --git a/spec/requests/disability_compensation_form_request_spec.rb b/spec/requests/disability_compensation_form_request_spec.rb
index eb08c9a4385..6825d965218 100644
--- a/spec/requests/disability_compensation_form_request_spec.rb
+++ b/spec/requests/disability_compensation_form_request_spec.rb
@@ -242,6 +242,8 @@ def test_error(cassette_path, status, headers)
           post('/v0/disability_compensation_form/submit_all_claim', params: all_claims_form, headers:)
           expect(response).to have_http_status(:ok)
           expect(response).to match_response_schema('submit_disability_form')
+          form = Form526Submission.last.form
+          expect(form.dig('form526', 'form526', 'toxicExposure')).not_to eq(nil)
         end
 
         it 'matches the rated disabilites schema with camel-inflection' do
diff --git a/spec/support/disability_compensation_form/all_claims_fe_submission.json b/spec/support/disability_compensation_form/all_claims_fe_submission.json
index 648eff4fd18..200e53e75c2 100644
--- a/spec/support/disability_compensation_form/all_claims_fe_submission.json
+++ b/spec/support/disability_compensation_form/all_claims_fe_submission.json
@@ -144,6 +144,7 @@
         ]
       }
     ],
+    "toxicExposure": {},
     "waiveRetirementPay": false,
     "waiveTrainingPay": true,
     "hasTrainingPay": true
diff --git a/spec/support/disability_compensation_form/submissions/with_everything.json b/spec/support/disability_compensation_form/submissions/with_everything.json
index 1fb50701faa..d93f8ff4aa9 100644
--- a/spec/support/disability_compensation_form/submissions/with_everything.json
+++ b/spec/support/disability_compensation_form/submissions/with_everything.json
@@ -191,7 +191,69 @@
             }
           ]
         }
-      ]
+      ],
+      "toxicExposure": {
+        "gulfWar1990": {
+          "iraq": true,
+          "kuwait": true,
+          "qatar": true
+        },
+        "gulfWar1990Details": {
+          "iraq": {
+            "startDate": "1991-03-01",
+            "endDate": "1992-01-01"
+          },
+          "qatar": {
+            "startDate": "1991-02-12",
+            "endDate": "1991-06-01"
+          },
+          "kuwait": {
+            "startDate": "1991-03-15"
+          }
+        },
+        "herbicide": {
+          "cambodia": true,
+          "guam": true,
+          "laos": true
+        },
+        "herbicideDetails": {
+          "cambodia": {
+            "startDate": "1991-03-01",
+            "endDate": "1992-01-01"
+          },
+          "guam": {
+            "startDate": "1991-02-12",
+            "endDate": "1991-06-01"
+          },
+          "laos": {
+            "startDate": "1991-03-15"
+          }
+        },
+        "otherHerbicideLocations": "freeform text field.",
+        "otherExposures": {
+          "asbestos": true,
+          "radiation": true,
+          "mustardgas": false
+        },
+        "otherExposureDetails": {
+          "asbestos": {
+            "startDate": "1991-03-01",
+            "endDate": "1992-01-01"
+          },
+          "radiation": {
+            "startDate": "1991-03-01",
+            "endDate": "1992-01-01"
+          }
+        },
+        "specifyOtherExposures": {
+          "description": "Lead, burn pits",
+          "startDate": "1991-03-01",
+          "endDate": "1992-01-01"
+        },
+        "conditions": {
+          "deviatedseptum": true
+        }
+      }
     }
   },
   "form526_uploads": [